Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: EMI posted by Lew on April 2, 2015 at 08:40:35:
Actually removing covers removes the cover running parallel to the PCB. It forms a giant low level capacitor rolling off the top end.
If you ca find it, read the Counterpoint white paper about why they copper plated their chassis ( both tubes and hybrid designs).The spurious magnetic fields all create surface "eddy currents". The plain steel has high resistance, the copper speeds up those currents.
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- RE: EMI - unclestu 16:02:18 04/02/15 (0)